Home / 18,972-26,181.36-10,588.50

Finding the Fourth Proportional to 18,972, 26,181.36 and 10,588.50

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Solution

The fourth proportional to 18,972, 26,181.36 and 10,588.50 is: 14,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972 : 26,181.36 = 10,588.50 : x
  2. Step 2: Convert to fraction form
    18,972/26,181.36 = 10,588.50/x
  3. Step 3: Cross multiply
    18,972x = 26,181.36 × 10,588.50
  4. Step 4: Simplify right side
    18,972x = 277,221,330.36
  5. Step 5: Solve for x
    x = 277,221,330.36/18,972
  6. Step 6: Final answer
    x = 14,612.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.